9003 4 Channel B/W Quad Processor

Finally, a professional quality quad processor at a price even home users can afford! You can watch 4 cameras at once, or switch between the cameras automatically. Each of the 4 BNC camera inputs has it's own video gain adjustment so you can quickly and easily adjust your cameras on an individually. Also, there is a quad only video output made by BNC connector, in addition to the standard BNC video output. These separate outputs are perfect for displaying a quad image on your VCR, while having full screen auto switching displaying on your security monitor.